package com.itheima.service.impl;

import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.itheima.mapper.EmpMapper;
import com.itheima.pojo.Emp;
import com.itheima.pojo.PageBean;
import com.itheima.service.EmpService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDate;
import java.time.LocalDateTime;
import java.util.List;

@Service
public class EmpServiceImpl implements EmpService {
    @Autowired
    private EmpMapper empMapper;



    /**
     * 分页查询
     * @param page
     * @param pageSize
     * @return
     */
//    @Override
//    public PageBean page(Integer page, Integer pageSize) {
//        //1.获取总记录数
//        Long count = empMapper.count();
//        //2.获取分页查询结果列表
//        Integer start = (page - 1) * pageSize;
//        List<Emp> empList = empMapper.page(start, pageSize);
//        //封装PageBean对象
//        PageBean pageBean = new PageBean(count, empList);
//        return pageBean;
//    }
    @Override
    public PageBean page(Integer page, Integer pageSize, String name, Short gander, LocalDate begin, LocalDate end) {
        //设置分页参数
        PageHelper.startPage(page, pageSize);
        //2.执行查询
        List<Emp> empList = empMapper.list( name, gander,  begin,  end);
        Page<Emp> p= (Page<Emp>) empList;
        //封装PageBean对象
        return new PageBean(p.getTotal() ,p.getResult());
    }

    @Override
    public void delete(List<Integer> ids) {
        empMapper.delete(ids);
    }

    /**
     * 新增员工操作
     * @param emp
     */
    @Override
    public void save(Emp emp) {
        emp.setCreateTime(LocalDateTime.now());
        emp.setUpdateTime(LocalDateTime.now());
        empMapper.insert(emp);
    }

    @Override
    public Emp getById(Integer id) {
        return empMapper.getById(id);
    }

    @Override
    public void update(Emp emp) {
        emp.setUpdateTime(LocalDateTime.now());
        empMapper.update(emp);
    }

    @Override
    public Emp login(Emp emp) {
        return empMapper.login(emp);
    }

}
